package com.tonglin.springboot.mapper;

import com.tonglin.springboot.po.User;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface UserMapper {



    public User queryUserByname(String userName);
    public int insert(User user);
    public int delete(User user);
    public int update(User user);
    public List<Integer> select ();
    public List<User> selectAll();



}
